(19)
(11) EP 2 688 842 A2

(12)

(88) Date of publication A3:
27.06.2013

(43) Date of publication:
29.01.2014 Bulletin 2014/05

(21) Application number: 12764036.5

(22) Date of filing: 26.03.2012
(51) International Patent Classification (IPC): 
C01G 53/06(2006.01)
(86) International application number:
PCT/BR2012/000091
(87) International publication number:
WO 2012/129628 (04.10.2012 Gazette 2012/40)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 25.03.2011 US 201161467683 P

(71) Applicant: Vale S.A.
Cep: 20030-000 Rio de Janeiro - RJ (BR)

(72) Inventors:
  • BERNI, Tiago Valentim
    30140-131 - Belo Horizonte, MG (BR)
  • PEREIRA, Antonio Clareti
    31110-700 - Belo Horizonte, MG (BR)
  • GUIMARÃES, Felipe Hilario
    33350-000 São José da Lapa, MG (BR)

(74) Representative: EP&C 
P.O. Box 3241
2280 GE Rijswijk
2280 GE Rijswijk (NL)

   


(54) PROCESS FOR PRODUCTION OF NICKEL CARBONATE"